"""Production WSGI entry point — Waitress (Windows) or Gunicorn (Linux)."""

import sys
import os
import config

# Add the setec-web directory to path
sys.path.insert(0, os.path.dirname(os.path.abspath(__file__)))

from app import app


def main():
    cfg = config.load()
    host = "127.0.0.1"
    port = cfg.get("flask_port", 5000)

    print(f"SETEC LABS Manager starting on http://{host}:{port}")
    print(f"Production WSGI server")

    if sys.platform == "win32":
        try:
            import waitress
            print("Using Waitress (Windows)")
            waitress.serve(app, host=host, port=port, threads=4)
        except ImportError:
            print("WARNING: waitress not installed, falling back to Flask dev server")
            print("Install with: pip install waitress")
            app.run(host=host, port=port, debug=False)
    else:
        try:
            import gunicorn  # noqa: F401
            print("Using Gunicorn (Linux)")
            # For gunicorn, use CLI: gunicorn -w 4 -b 127.0.0.1:5000 wsgi:app
            # Fallback to waitress if gunicorn imported but we're not in CLI mode
            try:
                import waitress
                waitress.serve(app, host=host, port=port, threads=4)
            except ImportError:
                app.run(host=host, port=port, debug=False)
        except ImportError:
            try:
                import waitress
                print("Using Waitress (Linux)")
                waitress.serve(app, host=host, port=port, threads=4)
            except ImportError:
                print("WARNING: No production server found, falling back to Flask dev server")
                print("Install with: pip install waitress  OR  pip install gunicorn")
                app.run(host=host, port=port, debug=False)


if __name__ == "__main__":
    main()